For number 2 which available choice is the right answer and explain why I will give a brainlist for the right answer

Step-by-step explanation:

1) The steps here are given.

2) The two angles are equal because they are vertically opposite.

3) The two triangles are congruent by ASA

the reason why your question keeps getting deleted because this is not a school related question : )

i will answer your question though.

i never tried church's

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5